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Materials and Construction

Materials and Construction
__________ is added in low carbon steel to raise its yield point.

Phosphorous
Manganese
Sulphur
Silicon

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Materials and Construction
Dip stick used for measuring the level of petro fuels (e.g. petrol, diesel, fuel oil etc.) in the storage tank is usually made of

Aluminium
High carbon steel
Brass
Copper

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Materials and Construction
Centrifugal pump made of pyrex or glass can't be used to pump

Alkaline solutions
Milk and fruit juices
Brine
Dilute H₂SO₄ at room temperature

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Materials and Construction
Chromel (Nichrome) is an alloy of

Nickel and chromium
Chromium and aluminium
Molybdenum and nickel
Chromium and molybdenum

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Materials and Construction
Ceramic materials

All of these
Never exhibit polymorphism
Are exemplified by clay and mica
Are poor electrical conductors due to lack of free electrons

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Materials and Construction
In SO₃ absorber (Contact Process), packing material used is of

Cast iron
Karbate
Mild steel
Chemical stoneware

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